1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
10
11 // <chrono>
12
13 // inline constexpr month January{1};
14 // inline constexpr month February{2};
15 // inline constexpr month March{3};
16 // inline constexpr month April{4};
17 // inline constexpr month May{5};
18 // inline constexpr month June{6};
19 // inline constexpr month July{7};
20 // inline constexpr month August{8};
21 // inline constexpr month September{9};
22 // inline constexpr month October{10};
23 // inline constexpr month November{11};
24 // inline constexpr month December{12};
25
26
27 #include <chrono>
28 #include <type_traits>
29 #include <cassert>
30
31 #include "test_macros.h"
32
main()33 int main()
34 {
35
36 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::January));
37 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::February));
38 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::March));
39 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::April));
40 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::May));
41 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::June));
42 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::July));
43 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::August));
44 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::September));
45 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::October));
46 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::November));
47 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::December));
48
49 static_assert( std::chrono::January == std::chrono::month(1), "");
50 static_assert( std::chrono::February == std::chrono::month(2), "");
51 static_assert( std::chrono::March == std::chrono::month(3), "");
52 static_assert( std::chrono::April == std::chrono::month(4), "");
53 static_assert( std::chrono::May == std::chrono::month(5), "");
54 static_assert( std::chrono::June == std::chrono::month(6), "");
55 static_assert( std::chrono::July == std::chrono::month(7), "");
56 static_assert( std::chrono::August == std::chrono::month(8), "");
57 static_assert( std::chrono::September == std::chrono::month(9), "");
58 static_assert( std::chrono::October == std::chrono::month(10), "");
59 static_assert( std::chrono::November == std::chrono::month(11), "");
60 static_assert( std::chrono::December == std::chrono::month(12), "");
61
62 assert(std::chrono::January == std::chrono::month(1));
63 assert(std::chrono::February == std::chrono::month(2));
64 assert(std::chrono::March == std::chrono::month(3));
65 assert(std::chrono::April == std::chrono::month(4));
66 assert(std::chrono::May == std::chrono::month(5));
67 assert(std::chrono::June == std::chrono::month(6));
68 assert(std::chrono::July == std::chrono::month(7));
69 assert(std::chrono::August == std::chrono::month(8));
70 assert(std::chrono::September == std::chrono::month(9));
71 assert(std::chrono::October == std::chrono::month(10));
72 assert(std::chrono::November == std::chrono::month(11));
73 assert(std::chrono::December == std::chrono::month(12));
74
75 assert(static_cast<unsigned>(std::chrono::January) == 1);
76 assert(static_cast<unsigned>(std::chrono::February) == 2);
77 assert(static_cast<unsigned>(std::chrono::March) == 3);
78 assert(static_cast<unsigned>(std::chrono::April) == 4);
79 assert(static_cast<unsigned>(std::chrono::May) == 5);
80 assert(static_cast<unsigned>(std::chrono::June) == 6);
81 assert(static_cast<unsigned>(std::chrono::July) == 7);
82 assert(static_cast<unsigned>(std::chrono::August) == 8);
83 assert(static_cast<unsigned>(std::chrono::September) == 9);
84 assert(static_cast<unsigned>(std::chrono::October) == 10);
85 assert(static_cast<unsigned>(std::chrono::November) == 11);
86 assert(static_cast<unsigned>(std::chrono::December) == 12);
87 }
88